#5B37AB#5B37AB
#5B37AB is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.8% C 0.175 H 292.1°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).
Color values
| HEX | #5B37AB |
|---|---|
| RGB | rgb(91, 55, 171) |
| HSL | hsl(259, 51%, 44%) |
| HSV | hsv(259, 68%, 67%) |
| CMYK | cmyk(46.8%, 67.8%, 0%, 32.9%) |
| CIE-LAB | lab(33.77, 43.30, -56.67) |
| CIE-LCH | lch(33.77, 71.31, 307.38°) |
| OKLab | oklab(44.79% 0.0658 -0.1622) |
| OKLCH | oklch(44.79% 0.175 292.1) |
| XYZ | xyz(13.0292, 7.8964, 39.3578) |
| Luminance | 0.0790 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 4.13
Rebeccapurple
#663399
ΔE00 4.18
Blue With A Hint Of Purple
#533CC6
ΔE00 4.40
Blurple
#5539CC
ΔE00 4.85
Bluey Purple
#6241C7
ΔE00 4.87
Purple Blue
#5D21D0
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B37AB #87AB37
analogous
#374DAB #5B37AB #9537AB
triadic
#5B37AB #AB5B37 #37AB5B
tetradic
#5B37AB #AB374D #87AB37 #37AB95
square
#5B37AB #AB374D #87AB37 #37AB95
split-complementary
#5B37AB #AB9537 #4DAB37
monochromatic
#2A194E #42287D #5B37AB #7A56C9 #9E85D8
Accessibility & contrast
On white
8.14
#5B37AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#5B37AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #5B37AB
8.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B37AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5B37AB | 1.00 | 8.14 | 2.58 | 8.14 |
| #FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051AF
Deuteranopia (green-blind)
#004DA9
Tritanopia (blue-blind)
#43536C
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #5b37ab; /* rgb */ color: rgb(91, 55, 171); /* oklch */ color: oklch(44.8% 0.175 292.1);
Tailwind
colors: {
custom: {
50: '#9070c5',
500: '#5b37ab',
950: '#000000',
},
}SCSS
$custom: #5b37ab; $custom-light: #9070c5; $custom-dark: #000000;
JSON
{
"hex": "#5b37ab",
"rgb": {
"r": 91,
"g": 55,
"b": 171
},
"hsl": {
"h": 258.621,
"s": 51.327,
"l": 44.314
},
"oklch": {
"l": 0.44787,
"c": 0.17507,
"h": 292.1
},
"luminance": 0.07897
}Semantic roles & 50–950 ramp
primary
#5B37AB
secondary
#ACC17C
accent
#DB4DAF
background
#F9F6FC
surface
#F2ECF8
border
#CCC7D1
text
#0D0813
muted
#7E7B82